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Understanding Malware

Understanding Trojans

Trojans

Trojans are a type of malware that is designed to look like a legitimate program, but actually contains malicious code. They are named after the Trojan horse from Greek mythology, which was a wooden horse that was left outside the gates of Troy and then used by the Greeks to gain access to the city. Like the Trojan horse, Trojan malware is disguised to look harmless and can be used to gain access to a computer system.

Malicious Purposes

Trojans can be used for a variety of malicious purposes, including:

  • Stealing personal information
  • Installing additional malware
  • Taking control of the victim's computer.

One common type of Trojan is a backdoor Trojan, which allows an attacker to remotely access the victim's computer and control it without the victim's knowledge. Another type is a banking Trojan, which is designed to steal banking credentials and other sensitive information.

Spread and Removal

Trojans can be spread through a variety of methods, including email attachments, infected websites, and software downloads. Once a Trojan has infected a computer, it can be difficult to remove, as it may have installed additional malware or made changes to the system that are difficult to reverse.

Protection

To protect against Trojans, it is important to:

  • Use antivirus software
  • Keep software up-to-date
  • Avoid downloading software from untrusted sources
  • Be cautious when opening email attachments or clicking on links, especially if they are from unknown senders or seem suspicious.
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